accessid = 'LTAIeSuPvTTZ2w3e';
accesskey = 'OEU0c1OxJVGwuz75hBzU9jA0nBaLca';
host = 'http://shen-xiaoyong.oss-cn-shenzhen.aliyuncs.com';
/*accessid= '6MKOqxGiGU4AUk44';
 accesskey= 'ufu7nS8kS59awNihtjSonMETLI0KLy';
 host = 'http://post-test.oss-cn-	.aliyuncs.com';*/

g_dirname = '';
g_object_name = '';
g_object_name_type = '';
now = timestamp = Date.parse(new Date()) / 1000;
var suffixName='';
var fileArray = new Array();
filesize = '';
//获取图片的URL
function getPhotoUrl(FileKey,SuffixName,FileName){
    var fileObj = new Object();
    fileObj.fileUrl = host+"/"+FileKey;//Url
    fileObj.fileKey = FileKey;//阿里云上文件的名字
    fileObj.suffixName = SuffixName;//文件后缀名
    fileObj.fileName = FileName;//上传的文件的原名
    fileArray.push(fileObj);
};
function getOssFileInfo(){
    return fileArray;
};//获取文件信息

function clearOssData(){
    fileArray = [];
};//清除数据

var policyText = {
    "expiration": "2020-01-01T12:00:00.000Z", //设置该Policy的失效时间，超过这个失效时间之后，就没有办法通过这个policy上传文件了
    "conditions": [
        ["content-length-range", 0, 1048576000] // 设置上传文件的大小限制
    ]
};

var policyBase64 = Base64.encode(JSON.stringify(policyText));
message = policyBase64;
var bytes = Crypto.HMAC(Crypto.SHA1, message, accesskey, { asBytes: true }) ;
var signature = Crypto.util.bytesToBase64(bytes);

function check_object_radio() {
    g_object_name_type = "random_name";
}

function get_dirname(directory)
{
    var date=new Date();
    var year=date.getFullYear();
    var month=date.getMonth()+1;
    var day = date.getDate();
    var strDate=year+"-"+month+"-"+day;
    // 存放阿里云的文件夹
    g_dirname = directory+"/" + strDate + "/";
}

function random_string(len) {
    len = len || 32;
    var chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';
    var maxPos = chars.length;
    var pwd = '';
    for (var i = 0; i < len; i++) {
        pwd += chars.charAt(Math.floor(Math.random() * maxPos));
    }
    return pwd;
}

function get_suffix(filename) {
    pos = filename.lastIndexOf('.');
    suffix = '';
    if (pos != -1) {
        suffix = filename.substring(pos)
    }
    return suffix;
}

function calculate_object_name(filename)
{
    if (g_object_name_type == 'local_name')
    {
        g_object_name += "${filename}";
    }
    else if (g_object_name_type == 'random_name')
    {
        suffix = get_suffix(filename);
        g_object_name = g_dirname + random_string(10) + suffix;
    }
    return '';
}

function get_uploaded_object_name(filename)
{
    if (g_object_name_type == 'local_name')
    {
        tmp_name = g_object_name;
        tmp_name = tmp_name.replace("${filename}", filename);
        return tmp_name
    }
    else if(g_object_name_type == 'random_name')
    {
        return g_object_name;
    }
}

function set_upload_param(up, filename, ret)
{
    g_object_name = g_dirname;
    if (filename != '') {
        suffix = get_suffix(filename);
        calculate_object_name(filename);
    }
    new_multipart_params = {
        'key' : g_object_name,
        'policy': policyBase64,
        'OSSAccessKeyId': accessid,
        'success_action_status' : '200', //让服务端返回200,不然，默认会返回204
        'signature': signature,
    };

    up.setOption({
        'url': host,
        'multipart_params': new_multipart_params
    });
    up.start();
}

var uploader = new plupload.Uploader({
    runtimes : 'html5,flash,silverlight,html4',
    browse_button : 'selectfiles',
    //multi_selection: false,
    container: document.getElementById('container'),
    flash_swf_url : 'lib/plupload-2.1.2/js/Moxie.swf',
    silverlight_xap_url : 'lib/plupload-2.1.2/js/Moxie.xap',
    url : 'http://oss.aliyuncs.com',

    init: {
        PostInit: function() {
            document.getElementById('ossfile').innerHTML = '';
            document.getElementById('postfiles').onclick = function() {
                set_upload_param(uploader, '', false);
                return false;
            };
        },

        FilesAdded: function(up, files) {
            plupload.each(files, function(file) {
                document.getElementById('ossfile').innerHTML += "<div id='" + file.id + "'>&nbsp;&nbsp;&nbsp;" + (file.name).substr(0,15) + "... (" + plupload.formatSize(file.size) + ") <b></b>"
                    +"<div class='col-sm-10'><div class='progress'><div class='progress-bar progress-bar-striped active' role='progressbar'  aria-valuemin='0' aria-valuemax='100' style='width: 0%'></div></div></div>";
                /*+'<div class="progress"><div class="progress-bar progress-bar-info progress-bar-striped active" style="width: 0%"></div></div> '
                 +'</div>';*/
                filesize = file.size;
            });
        },

        BeforeUpload: function(up, file) {
            check_object_radio();
            get_dirname();
            set_upload_param(up, file.name, true);
        },

        UploadProgress: function(up, file) {
            var d = document.getElementById(file.id);
            d.getElementsByTagName('b')[0].innerHTML = '<span>' + file.percent + "%</span>";
            var prog = d.getElementsByTagName('div')[1];
            var progBar = prog.getElementsByTagName('div')[0];
           // progBar.style.width= 2*file.percent+'px';
            progBar.style.width= 100+'%';
            progBar.setAttribute('aria-valuenow', file.percent);
        },


        FileUploaded: function(up, file, info) {
            if (info.status == 200)
            {
                let pername = userId;
                document.getElementById(file.id).getElementsByTagName('b')[0].innerHTML = '上传成功'; /*get_uploaded_object_name(file.name)*/
                getPhotoUrl(get_uploaded_object_name(file.name),suffix,file.name);//获取文件名和url和后缀
                var url = "http://shen-xiaoyong.oss-cn-shenzhen.aliyuncs.com/"+get_uploaded_object_name(file.name);
                $.uploadfiles(url,pername,file.name);
            }
            else
            {
                document.getElementById(file.id).getElementsByTagName('b')[0].innerHTML = info.response;
            }
        },

        Error: function(up, err) {
            document.getElementById('console').appendChild(document.createTextNode("\nError xml:" + err.response));
        }
    }
});
uploader.init();
